| Business Impact: |
Compromise of machines using affected versions of Firefox or other Mozilla-based applications may lead to exposure of confidential information, loss of productivity, and further compromise. An attacker must cause the victim user to browse to a malicious web page, click a link in a malicious email, or similar operation in order to perform a successful attack. Successful exploitation grants an attacker the privileges of the victim.
Although Firefox is one of the most popular browsers in use today, one mitigating factor is that this vulnerability does not affect the 3.x version of Mozilla Firefox, the most recent major version. A joint study between IBM and Google estimated that over 80% of all Mozilla Firefox users have the most recent version and update within three days of new version releases. Firefox 3.0 was released on June, 17, 2008. |
| CVSS (for XFID 25840-25843): |
Base Score: |
9.3 |
| |
Access Vector: |
Network |
| Access Complexity: |
Medium |
| Authentication: |
None |
| Confidentiality Impact: |
Complete |
| Integrity Impact: |
Complete |
| Availability Impact: |
Complete |
|
|
| Adjusted Temporal Score: |
6.9 |
| |
Exploitability: |
Unproven |
| Remediation Level: |
Official-Fix |
| Report Confidence: |
Confirmed |
| Affected Products: |
Mozilla Firefox and Mozilla SeaMonkey. See references for details. |
| Technical Description: |
Multiple Mozilla products are vulnerable to a stack-based buffer overflow, caused by improper bounds checking of unicode characters in a URL. A remote attacker could overflow a buffer and execute arbitrary code on the system with privileges of the victim. |
| Remediation: |
Patches are available for this issue. See References for details. |
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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